Pentax AF201FG Flashlight :
This compact flash unit is compatible with Pentax's P-TTL system for automatic flash exposure and
it has a guide number of 66' at ISO 100 and the 19mm setting when used with APS-C DSLRs.
The flash is designed for users who ar

Pentax AF360FGZ II Flash For Pentax DSLR Cameras :
The Pentax Flash is an on-camera flash that is compatible with Pentax DSLR cameras.
The flash has a guide number of 118' at ISO 100 and an effective range of 2.3 to
17.7'. Additionally, it features